Transcription of Plastic Part Design for Injection Molding
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Plastic Part Designfor Injection MoldingAn Introduction2nd EditionRobert A. MalloyISBNs978-1-56990-436-71-56990-436- 7 HANSERH anser Publishers, Munich Hanser Publications, CincinnatiSample Chapter 5: Prototyping and Experimental Stress Analysis5 Prototyping and Experimental Prototyping Plastic PartsIt is generally best to develop both models and prototype parts during the plastics productdevelopment process. The prototyping stage of product development is crucial to the successof a project, yet this aspect of development is often hurried through or underfunded. Proto-type parts are used for communications, engineering studies, market studies/promotions, toevaluate product manufacturability/assembly characteristics, and to verify CAD model orprint accuracy. Regardless of the medium chosen, prototyping techniques generate physicalmodels that act as a primary means of communication between Product Marketing, ProductEngineering, Tooling and Product manufacturing groups.
Manufacturing ($$$) Product engineering ($$) Product design ($) Relative cost of a design change Time Figure 5.1 Relative cost of a design change with time There are literally dozens of methods that can be used to produce prototype plastic parts or assemblies.The method(s) that is best for a given application depends on the quantity of
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